Lead in Vapes: Toxic Metals Found in Disposable E Cigarettes Technology Networks Fake Flum Pebble Flum Pebble 6000 Menthol What Vapes Are FDA Approved Flum Pebble 6k Clear Flavored tobacco sales restrictions and e cigarette use among California high school students A new study from UC Davis found that disposable vapes have much higher concentrations of heavy metals like lead and nickel than traditional cigarettes. Disposable Vapes Could Be Unhealthier Than Traditional Cigarettes, New Study Suggests Yahoo News Canada